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Ground-based multisite observations of two transits of HD 80606b
A. Shporer, J. N. Winn, S. Dreizler +41
We present ground-based optical observations of the September 2009 and January 2010 transits of HD 80606b. Based on 3 partial light curves of the September 2009 event, we derive a…
The SOPHIE search for northern extrasolar planets III. A Jupiter-mass companion around HD 109246
I. Boisse, A. Eggenberger, N. C. Santos +22
We report the detection of a Jupiter-mass planet discovered with the SOPHIE spectrograph mounted on the 1.93-m telescope at the Haute-Provence Observatory. The new planet orbits HD…
Orbital eccentricity of WASP-12 and WASP-14 from new radial-velocity monitoring with SOPHIE
Nawal Husnoo, Frederic Pont, Guillaume Hebrard +9
As part of the long-term radial velocity monitoring of known transiting planets -- designed to measure orbital eccentricities, spin-orbit alignments and further planetary companion…
Observation of the full 12-hour-long transit of the exoplanet HD80606b. Warm-Spitzer photometry and SOPHIE spectroscopy
G. Hebrard, J. -M. Desert, R. F. Diaz +24
We present new observations of a transit of the 111-day-period exoplanet HD80606b. Using the Spitzer Space Telescope and its IRAC camera on the post-cryogenic mission, we performed…
The SOPHIE search for northern extrasolar planets. II. A multi-planet system around HD9446
G. Hebrard, X. Bonfils, D. Segransan +19
We report the discovery of a planetary system around HD9446, performed from radial velocity measurements secured with the spectrograph SOPHIE at the 193-cm telescope of the Haute-P…